def create(self):
inventory = self.get_inventory()
save_inventory(inventory, self.cluster_model)
def upgrade(self):
inventory_path = get_inventory_path_for_build(self.backup_build_dir)
build_version = check_build_output_version(self.backup_build_dir)
self.logger.info(f'Loading backup Ansible inventory: {inventory_path}')
loaded_inventory = InventoryManager(loader=DataLoader(),
sources=inventory_path)
# move loaded inventory to templating structure
new_inventory = []
for key in loaded_inventory.groups:
if key != 'all' and key != 'ungrouped':
group_hosts = loaded_inventory.groups[key].hosts
new_hosts = []
for host in group_hosts:
new_hosts.append(
AnsibleHostModel(host.address,
host.vars['ansible_host']))
new_inventory.append(AnsibleInventoryItem(key, new_hosts))
if build_version == BUILD_LEGACY:
self.logger.info(f'Upgrading Ansible inventory Epiphany < 0.3.0')
# Epiphany < 0.3.0 did not have manifest file in build folder so lets create bare minimum cluster model from inventory
self.cluster_model = dict_to_objdict({
'provider': 'any',
'specification': {
'admin_user': {
'name':
loaded_inventory.groups['all'].vars['ansible_user'],
'key_path':
loaded_inventory.groups['all'].
vars['ansible_ssh_private_key_file']
}
}
})
# Remap roles
self.rename_role(new_inventory, 'master', 'kubernetes_master')
self.rename_role(new_inventory, 'worker', 'kubernetes_node')
self.rename_role(new_inventory, 'deployments', 'applications')
self.rename_role(new_inventory, 'elasticsearch-curator',
'elasticsearch_curator')
self.rename_role(new_inventory, 'jmx-exporter', 'jmx_exporter')
self.rename_role(new_inventory, 'kafka-exporter', 'kafka_exporter')
self.rename_role(new_inventory, 'haproxy_tls_termination',
'haproxy')
# remove linux and reboot roles if present
self.delete_role(new_inventory, 'linux')
self.delete_role(new_inventory, 'reboot')
else:
self.logger.info(f'Upgrading Ansible inventory Epiphany => 0.3.0')
# load cluster model from manifest
self.manifest_docs = load_manifest_docs(self.backup_build_dir)
self.cluster_model = select_single(
self.manifest_docs, lambda x: x.kind == 'epiphany-cluster')
# Merge manifest cluster config with newer defaults
default_cluster_model = load_yaml_obj(data_types.DEFAULT, 'common',
'epiphany-cluster')
merge_objdict(default_cluster_model, self.cluster_model)
self.cluster_model = default_cluster_model
# Check if repo roles are present and if not add them
master = self.get_role(new_inventory, 'kubernetes_master')
if master == None:
raise Exception('No kubernetes_master to use as repository')
master_node = master.hosts[0]
# add image_registry
image_registry = self.get_role(new_inventory, 'image_registry')
if image_registry == None:
hosts = []
hosts.append(AnsibleHostModel(master_node.name, master_node.ip))
new_inventory.append(AnsibleInventoryItem('image_registry', hosts))
# add repository
repository = self.get_role(new_inventory, 'repository')
if repository == None:
hosts = []
hosts.append(AnsibleHostModel(master_node.name, master_node.ip))
new_inventory.append(AnsibleInventoryItem('repository', hosts))
# save new inventory
save_inventory(new_inventory, self.cluster_model, self.build_dir)
return 0